Questions tagged [cluster]
The cluster tag has no summary.
58 questions
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Is there any Layer approach for multicluster communication instead of service mesh approach?
We are investigating on communication between our clusters (AWS and GCP mostly) and we investigating solutions like Istio and linkerd. but the things is all of them connects each cluster to another ...
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3
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352
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Long-polling with message queues in a clustered environment
I have a system design question that I'm looking for some guidance on. I have two different systems that need to have a basic level of communication. This is abstracted via message queues.
For example,...
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270
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If I pay someone to perform computations, how do I verify that they are actually performing them?
I'm currently making an open source application that essentially creates a cluster computer over the internet. This computer network which this application will use will be zero-trust. The problem ...
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171
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Should I use ROA or SOA for a distributed application and how could I implement REST If using ROA
For my final year project I'm looking to build a distributed version of a popular benchmarking client (this has already been done using various methods involving some form of existing frameworks), I ...
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2
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197
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Does DigitalOcean offer enough resources to run a scalable MySQL cluster?
I have a Kubernetes instance from DigitalOcean that has 2 worker nodes and 1 load balancer. Now I want to create a MySQL managed database cluster for the app that will run on that Kubernetes.
Question ...
- 133
2
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684
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Running a high availability PostgreSQL cluster on native AWS services only
Backstory: I am unable to use RDS, as I need to install cartridges in my PostgreSQL instances.
I have been trying to pin down an architecture for PostgreSQL running on EC2 instances for a few days. ...
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127
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Would you lose any benefits of docker if the docker service ceased to be a daemon?
This author writes about alternatives to docker, such as Podman, Buildah and Skopeo.
In addition you can run docker images without the Docker Daemon using nspawn.
But I want to run docker-compose ...
- 4,849
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647
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Can the Mean Shift Algorithm be used in color quantization?
I have a problem with deciding algorithm for color quantization. The image that I want to do color quantization is an RGB image with resolution 512 x 512. I want to reduce the color value in the pixel ...
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2k
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Clustering Algorithm with max number of clusters
I'm looking for a clustering algorithm (ideally density based) that allows me to specify the maximum number of clusters (but not the exact number). All points must be assigned to a cluster, so I can't ...
- 149
2
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1
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107
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Validation layer of clustered WebApi solution
Currently I have a design problem, which I am not sure how exactly to solve and what would be the best approach.
So what I have is a ASP.NET Core WebApi project which is actually clustered solution. ...
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Nodejs cluster: are there any downsides?
I was reading a litte about clusters in nodejs, and in all cases it was trivial to clusterize the application. In fact, it was so easy that I began to wonder: are there any cases that I shoudn't use ...
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619
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Clustering of points that minimizes overall average distance to given center
Given a situation like this:
where the position of the triangles is given (it does not need to be calculated by an algorithm). I would like to find clusters of circles around the triangles. Each ...
- 193
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98
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Should mongoDB be run in a cluster?
I'm trying to implement an architecture that's similar to the coreos's production architecture (shown below)
Should I run the database as a central service or one or more of the workers?
I figured ...
- 131
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111
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algorithm for group reassignment of points
I have a list of clustered points but they are not in the cluster which has the center closest to them. The objective is to reassign them to minimize the total distance of each point to its cluster ...
- 111
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371
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handling external events in a cluster environment
I have an app written with JSF and Spring using JPA+Hibernate which is running on a Glassfish4 server.
Right now I have an Observer pattern which is listening for some Postgresql events. Let`s say ...
- 121
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4k
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Design a Queuing Solution with Clustering and Multiple Consumers
It is a Design Problem which I am listing out here.
I have different set of business operations that are carried out for different business entities.
Operations:
Operation A
Operation B
Operation C
...
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2
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362
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How to minimize networking cost of distributed game database?
We've been working on a networked online game project which will run in near future and
looking for a satisfying solution for our distributed game database. We didn't take networking costs
into ...
- 125
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756
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Embedded Tomcat Cluster
Can someone please explain with an example how an Embedded Tomcat Cluster works. Would a load balancer be necessary?
Since we're using embedded tomcat, how would two separate jar files (each a ...
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2
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1
answer
515
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Random forest ML algorithm suitable for use on cluster based HPC?
I need help in identifying a better algorithm.
I have developed a script using pythons scipy package to analyse a rather large model that I wish to solve. The model contains over 12GB of data ...
- 121
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2
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1k
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Determine Cluster Label in K-means
I have dataset that is contain 150 data that is actually divided into 3 group. Each group has it’s own label.
I do clustering process with K-means algorithm to group the data.
I need to assign the ...
- 101
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2
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1k
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Improving ZooKeeper to increase availability
Running Apache ZooKeeper (this applies to PAXOS style system just as well) with 2 members - which is not recommended - does not make sense, because if either
member1 goes down
member2 goes down
there'...
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5
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721
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Algorithm to Find the Aggregate Mass of "Granola Bar"-Like Structures?
I'm a planetary science researcher and one project I'm working on is N-body simulations of Saturn's rings. The goal of this particular study is to watch as particles clump together under their own ...
- 291
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147
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which is better of these two architectures and why
PhpServer will handle gSoap requests and http requests from clients.
PushServer will push notifications to clients and act a file server.
There are many server machines. Every PhpServer will ...
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66k
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What is the difference between a server and a mainframe? [closed]
To me, it seems as though "mainframe" is a somewhat dated term; is it simply an older synonym of "server," or does it server a purpose more similar to a cluster/supercomputer?
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Custom .NET apps and clustering
So for a clustered environment - how would this work with your apps?
What about your own custom .NET apps? Would there be a special way to develop them? I know that you could create a simple Hello ...
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